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| author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:13:13 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:13:13 +0200 |
| commit | 565b56cc9929fd4e682850df960f0766c8363383 (patch) | |
| tree | e720eaa6ad8a16c7bf8402dc76b3d65fb3f61f5a /arch/i386/kernel/vsyscall-note.S | |
| parent | fcaf15d788dc0c8354dbcf449e260cb303120b75 (diff) | |
| download | linux-565b56cc9929fd4e682850df960f0766c8363383.tar.bz2 | |
i386: prepare shared kernel/vsyscall-note.S
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/i386/kernel/vsyscall-note.S')
| -rw-r--r-- | arch/i386/kernel/vsyscall-note.S | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/arch/i386/kernel/vsyscall-note.S b/arch/i386/kernel/vsyscall-note.S deleted file mode 100644 index 07c0daf78237..000000000000 --- a/arch/i386/kernel/vsyscall-note.S +++ /dev/null @@ -1,45 +0,0 @@ -/* - * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text. - * Here we can supply some information useful to userland. - */ - -#include <linux/version.h> -#include <linux/elfnote.h> - -/* Ideally this would use UTS_NAME, but using a quoted string here - doesn't work. Remember to change this when changing the - kernel's name. */ -ELFNOTE_START(Linux, 0, "a") - .long LINUX_VERSION_CODE -ELFNOTE_END - -#ifdef CONFIG_XEN -/* - * Add a special note telling glibc's dynamic linker a fake hardware - * flavor that it will use to choose the search path for libraries in the - * same way it uses real hardware capabilities like "mmx". - * We supply "nosegneg" as the fake capability, to indicate that we - * do not like negative offsets in instructions using segment overrides, - * since we implement those inefficiently. This makes it possible to - * install libraries optimized to avoid those access patterns in someplace - * like /lib/i686/tls/nosegneg. Note that an /etc/ld.so.conf.d/file - * corresponding to the bits here is needed to make ldconfig work right. - * It should contain: - * hwcap 1 nosegneg - * to match the mapping of bit to name that we give here. - * - * At runtime, the fake hardware feature will be considered to be present - * if its bit is set in the mask word. So, we start with the mask 0, and - * at boot time we set VDSO_NOTE_NONEGSEG_BIT if running under Xen. - */ - -#include "../xen/vdso.h" /* Defines VDSO_NOTE_NONEGSEG_BIT. */ - - .globl VDSO_NOTE_MASK -ELFNOTE_START(GNU, 2, "a") - .long 1 /* ncaps */ -VDSO_NOTE_MASK: - .long 0 /* mask */ - .byte VDSO_NOTE_NONEGSEG_BIT; .asciz "nosegneg" /* bit, name */ -ELFNOTE_END -#endif |